A group of foreign tourists with a local guide walk past a row of shops selling handicrafts in Thimphu May 22, 2012. Premium-paying tourists have long eulogised Bhutan's unspoiled charms, its peace and its pristine environment, but the Himalayan kingdom, famed as the "last Shangri-La", and for using happiness to measure its success, is no idyll. Its economy is struggling, with shantytowns emerging in urban centres, packs of wild dogs roaming freely, and beggars on street corners. Picture taken May 22, 2012. To match Feature BHUTAN-TOURISM/ REUTERS/Singye Wangchuk (BHUTAN - Tags: BUSINESS TRAVEL RELIGION)